* [binutils-gdb] Re: elf: Strip unreferenced weak undefined symbols
@ 2024-04-19 7:18 Alan Modra
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From: Alan Modra @ 2024-04-19 7:18 UTC (permalink / raw)
To: binutils-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=9cf3c87e166b2f3728ae5c50c501f64f385e349e
commit 9cf3c87e166b2f3728ae5c50c501f64f385e349e
Author: Alan Modra <amodra@gmail.com>
Date: Fri Apr 19 16:35:30 2024 +0930
Re: elf: Strip unreferenced weak undefined symbols
PR ld/31652
* elflink.c (_bfd_elf_link_output_relocs): Don't segfault
on NULL rel_hash.
Diff:
---
bfd/elflink.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/bfd/elflink.c b/bfd/elflink.c
index 4f72d1b2a90..6db6a9c0b47 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -2985,12 +2985,13 @@ _bfd_elf_link_output_relocs (bfd *output_bfd,
* bed->s->int_rels_per_ext_rel);
while (irela < irelaend)
{
- if (*rel_hash)
+ if (rel_hash && *rel_hash)
(*rel_hash)->has_reloc = 1;
(*swap_out) (output_bfd, irela, erel);
irela += bed->s->int_rels_per_ext_rel;
erel += input_rel_hdr->sh_entsize;
- rel_hash++;
+ if (rel_hash)
+ rel_hash++;
}
/* Bump the counter, so that we know where to add the next set of
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